Business Logic Flaws: How Attackers Skip Steps in Your App to Get What They Shou

<p>Most fintech breaches you read about involve a hacker, a vulnerability, and a headline. Most fintech <em>losses</em> I've actually seen up close involve none of those things.

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<p>Every banking app I've ever worked on "worked" on the day it shipped. Login worked. Transfers worked. The balance updated correctly after every test case. QA signed off, the

<p>I've been writing software professionally since 2011.</p> <p>Java, C#, Kotlin, Node.js. Enterprise backends, microservices, APIs, data pipelines. I've shipped production code

<p>Most companies shipping AI have never once tried to break it.</p> <p>Not because they don't care about security. Because they assume the model handles it. The model was trained